www.ti.com

Timing Requirements

Switching Characteristics

SN74GTL16622A

18-BIT LVTTL-TO-GTL/GTL+ BUS TRANSCEIVER

SCBS673F – AUGUST 1996 – REVISED APRIL 2005

over recommended ranges of supply voltage and operating free-air temperature for GTL (unless otherwise noted)

MIN

MAX

UNIT

Clock frequency

200

MHz

Pulse duration, CLK high or low

2.5

ns

Data before CLK

↑

2.1

Setup time

ns

CE before CLK

↑

3.3

Data after CLK

↑

0.3

Hold time

ns

CE after CLK

↑

0

over recommended ranges of supply voltage and operating free-air temperature for GTL (see Figure 1)

FROM

TO

PARAMETER

MIN

MAX

UNIT

(INPUT)

(OUTPUT)

200

MHz

2.5

5.5

CLKAB

B

ns

2.2

5.5

1.7

4.8

OEAB

B

ns

2.2

5.2

Slew rate

Both transitions (B port)

0.5

V/ns

Transition time, B outputs (0.6 V to 1 V)

0.6

2.2

ns

Transition time, B outputs (1 V to 0.6 V)

0.4

1.5

ns

2.1

5.3

CLKBA

A

ns

2.1

5

1.7

5

OEBA

A

ns

2.3

5.5

(1)

6